Dr. William Marienberg graduated from Cornell University in 1980 with a Doctor of Veterinary Medicine (DVM) degree. He regularly attends continuing education courses in order to stay current on the latest advances in this field.

He is a member of the AVMA (American Veterinary Medical Association), New York State and New York City Veterinary Associations.

He is married and has a twelve year old son. His family also consists of three dogs, four cockatiels, a parrot, two turtles, a ferret and a guinea pig.